| 198 AD - 217 AD |
Αντιόχεια προς Ορόντην Σελευκίς και Πιερία Καρακάλλας
| BL 26 |
SHH 6934 |
 |
| Parameter Obverse Reverse Notes Reference Provenance |
12.35 g 24.7-26.9 mm 10:00
o'clock VF σmax(SigmaTest, 240 Hz) = obv. 6.8, rev. 6.4 MS/m Laureate head of Caracalla right; AVT K M ΑΝΤΩΝΙΝΟC clockwise around; border of dots. Eagle standing facing, head left, wreath in beak; ΔΗΜΑΡΧ·ΕΞ ΥΠΑΤΟ·Δ clockwise around; border of dots Experimental assessment of wear effects on weight. Copenhagen VII 229 Ex Hirsch 348/1100, 8.5.2019 |
Experiment - Wear Effect on Weight
| SHH
6934 initial |
|
Weight g 12.364 |
ΔW g |
ΔW % |
Comment Initial condition |
| SHH
6934 clean |
 |
Weight g 12.341 |
ΔW g 0 |
ΔW % 0 |
Comment Cleaned soap & brass-brush |
| SHH
6934 00 |
 |
Weight g 12.155 |
ΔW g -0.186 |
ΔW % -1.5 |
Comment Silver cleaning bath SILBO, 2 h black Cu-oxides removed |
| SHH
6934 01 |
 |
Weight g 12.021 |
ΔW g -0.320 |
ΔW % -2.6 |
Comment Surface layer ground off rough steel wool |
| SHH
6934 02 |
|
Weight g 11.954 |
ΔW g -0.387 |
ΔW % -3.1 |
Comment Surface layer ground off rough steel wool |
| SHH
6934 03 |
 |
Weight g 11.878 |
ΔW g -0.463 |
ΔW % -3.8 |
Comment Surface layer ground off rough steel wool |
| SHH
6934 04 |
 |
Weight g 11.750 |
ΔW g -0.591 |
ΔW % -4.8 |
Comment Surface layer ground off rough steel wool |
| SHH
6934 05 |
 |
Weight g 11.684 |
ΔW g -0.657 |
ΔW % -5.3 |
Comment Surface layer ground off rough steel wool |
| SHH
6934 06 |
 |
Weight g 11.596 |
ΔW g -0.745 |
ΔW % -6.0 |
Comment Surface layer ground off rough steel wool |
| Effect
of relative wear-layer thickness on weight loss of Coin SHH 6934 |
Effect
of changing of relative diameter and wear-layer thickness on relative weight |
 |
 |
